[INFO] fetching crate dep-obj 0.38.4...
[INFO] checking dep-obj-0.38.4 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate dep-obj 0.38.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dep-obj 0.38.4 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dep-obj 0.38.4
[INFO] finished tweaking crates.io crate dep-obj 0.38.4
[INFO] tweaked toml for crates.io crate dep-obj 0.38.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate dep-obj 0.38.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_match v0.3.0
[INFO] [stderr]   Downloaded indoc v1.0.6
[INFO] [stderr]   Downloaded educe v0.4.19
[INFO] [stderr]   Downloaded phantom-type v0.4.2
[INFO] [stderr]   Downloaded dyn-context-macro v0.0.5
[INFO] [stderr]   Downloaded panicking v0.1.1
[INFO] [stderr]   Downloaded generics v0.4.4
[INFO] [stderr]   Downloaded components-arena-traits v1.0.1
[INFO] [stderr]   Downloaded composable-allocators v0.1.0
[INFO] [stderr]   Downloaded macro-attr-2018 v2.1.2
[INFO] [stderr]   Downloaded components-arena v3.2.2
[INFO] [stderr]   Downloaded dyn-context v0.17.4
[INFO] [stderr]   Downloaded try_match_inner v0.4.0
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.11
[INFO] [stderr]   Downloaded single v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d69506177a946a946fbe1cc7142ab10ca84f496e8b6bbd12acb25c56fc338c87
[INFO] running `Command { std: "docker" "start" "-a" "d69506177a946a946fbe1cc7142ab10ca84f496e8b6bbd12acb25c56fc338c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69506177a946a946fbe1cc7142ab10ca84f496e8b6bbd12acb25c56fc338c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69506177a946a946fbe1cc7142ab10ca84f496e8b6bbd12acb25c56fc338c87", kill_on_drop: false }`
[INFO] [stdout] d69506177a946a946fbe1cc7142ab10ca84f496e8b6bbd12acb25c56fc338c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ed1d45e6e79ad1b69cab0122b5751eda85fabe9bc207f6497cf9fa58c13274
[INFO] running `Command { std: "docker" "start" "-a" "53ed1d45e6e79ad1b69cab0122b5751eda85fabe9bc207f6497cf9fa58c13274", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]     Checking panicking v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking generics v0.4.4
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking components-arena-traits v1.0.1
[INFO] [stderr]     Checking composable-allocators v0.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/composable-allocators-0.1.0/src/freelist.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Limit: LimitParam + ~const Default,
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `composable-allocators` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "53ed1d45e6e79ad1b69cab0122b5751eda85fabe9bc207f6497cf9fa58c13274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ed1d45e6e79ad1b69cab0122b5751eda85fabe9bc207f6497cf9fa58c13274", kill_on_drop: false }`
[INFO] [stdout] 53ed1d45e6e79ad1b69cab0122b5751eda85fabe9bc207f6497cf9fa58c13274
[INFO] checking dep-obj-0.38.4 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate dep-obj 0.38.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dep-obj 0.38.4 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dep-obj 0.38.4
[INFO] finished tweaking crates.io crate dep-obj 0.38.4
[INFO] tweaked toml for crates.io crate dep-obj 0.38.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate dep-obj 0.38.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 228021f709b4612027bc98440b230147d336cae398fe3163e3b15211f78a4e54
[INFO] running `Command { std: "docker" "start" "-a" "228021f709b4612027bc98440b230147d336cae398fe3163e3b15211f78a4e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228021f709b4612027bc98440b230147d336cae398fe3163e3b15211f78a4e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228021f709b4612027bc98440b230147d336cae398fe3163e3b15211f78a4e54", kill_on_drop: false }`
[INFO] [stdout] 228021f709b4612027bc98440b230147d336cae398fe3163e3b15211f78a4e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4674e3bad0ca086593bc701b107f5506cab4660d70e7bdff7c103e5c243c5b3f
[INFO] running `Command { std: "docker" "start" "-a" "4674e3bad0ca086593bc701b107f5506cab4660d70e7bdff7c103e5c243c5b3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]     Checking panicking v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]     Checking generics v0.4.4
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking composable-allocators v0.1.0
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/composable-allocators-0.1.0/src/freelist.rs:135:32
[INFO] [stdout]     |
[INFO] [stdout] 135 |     Limit: LimitParam + ~const Default,
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `composable-allocators` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4674e3bad0ca086593bc701b107f5506cab4660d70e7bdff7c103e5c243c5b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4674e3bad0ca086593bc701b107f5506cab4660d70e7bdff7c103e5c243c5b3f", kill_on_drop: false }`
[INFO] [stdout] 4674e3bad0ca086593bc701b107f5506cab4660d70e7bdff7c103e5c243c5b3f
